Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 20.11.2017 beginning time = 1134 min.(UT), 18:54 UT Xbegin = -2.500 nT time of max = 1152 min.(UT), 19:12 UT Xmax = 5.496 nT Y at Xmax = -2.294 nT endtime = 1187 min.(UT), 19:47 UT Xend = -5.394 nT amplitude = 7.996 nT base duration time = 53 min. 2sigma = 5.196 nT duration at 2sigma = 4 min. flagbegin = 0 flagend = 0 flagxcheck = 0